poa-bridge/bridge/build.rs

36 lines
1.1 KiB
Rust

use std::process::Command;
fn main() {
// rerun build script if bridge contract has changed.
// without this cargo doesn't since the bridge contract
// is outside the crate directories
println!("cargo:rerun-if-changed=../contracts/bridge.sol");
match Command::new("solc")
.arg("--abi")
.arg("--bin")
.arg("--optimize")
.arg("--output-dir").arg("../compiled_contracts")
.arg("--overwrite")
.arg("../contracts/bridge.sol")
.status()
{
Ok(exit_status) => {
if !exit_status.success() {
if let Some(code) = exit_status.code() {
panic!("`solc` exited with error exit status code `{}`", code);
} else {
panic!("`solc` exited because it was terminated by a signal");
}
}
},
Err(err) => {
if let std::io::ErrorKind::NotFound = err.kind() {
panic!("`solc` executable not found in `$PATH`. `solc` is required to compile the bridge contracts. please install it: https://solidity.readthedocs.io/en/develop/installing-solidity.html");
} else {
panic!("an error occurred when trying to spawn `solc`: {}", err);
}
}
}
}